Spanish ophthalmologist Ignacio Barraquer Barraquer (1884-1965) seeking cataract removal operation in 1917 with suction.
Other technologies are contact lenses made sketches of Leonardo da Vinci in 1508. He paints some kind of contact lenses. After that, various efforts made to make contact lenses. Even Rene Descartes (1596-1650) participating in the various experiments.
However, the first contact lenses that are sold to the public was introduced by William Feinbloom, a optometris from New York, United States in 1936.
Furthermore, the contact lens with double focus (bifokus-ed) is available to the public in 1982.
Source: The Book of Origins, by Trevor Homer, Penguin Books, London, 2007 and various sources.[kompas.com]
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